Formal theory
[计] 形式理论
🧩 词语组成解析
formal
['fɔ:məl]
adj. （学校教育或培训）正规的;方式上的;礼仪上的;
n. <美>须穿礼服的社交集会;<口>夜礼服;
🗣️ 情景例句
Loosen up! it's not worth getting upset about.
放松点儿！ 不值得为这件事苦恼。
He can't dress himself yet because he's too young.
他还不能给他自己穿衣服因为他是太年轻的。
but they seldom realize that they have brought this on themselves.
殊不知这是他们自找的。